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Finding the Fourth Proportional to 467.10, 644.22 and 327.24

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Solution

The fourth proportional to 467.10, 644.22 and 327.24 is: 451.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.10 : 644.22 = 327.24 : x
  2. Step 2: Convert to fraction form
    467.10/644.22 = 327.24/x
  3. Step 3: Cross multiply
    467.10x = 644.22 × 327.24
  4. Step 4: Simplify right side
    467.10x = 210,814.55
  5. Step 5: Solve for x
    x = 210,814.55/467.10
  6. Step 6: Final answer
    x = 451.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.